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Finding the Fourth Proportional to 88,321.34, 121,884.35 and 48,036.01

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Solution

The fourth proportional to 88,321.34, 121,884.35 and 48,036.01 is: 66,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,321.34 : 121,884.35 = 48,036.01 : x
  2. Step 2: Convert to fraction form
    88,321.34/121,884.35 = 48,036.01/x
  3. Step 3: Cross multiply
    88,321.34x = 121,884.35 × 48,036.01
  4. Step 4: Simplify right side
    88,321.34x = 5,854,837,855.44
  5. Step 5: Solve for x
    x = 5,854,837,855.44/88,321.34
  6. Step 6: Final answer
    x = 66,290.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.